Shuting down problems

well my windows takes times while shuting down…i have used 98,me,2000 proff,and xp as well …i have p41600 intel borad with 256mb ram…every thing is working fine …but shut down time is little long…can any one suggest some thing can i d0o0o ???

i did use defragmentation and run anti virus by norton and even macfee …

Disable unnececcary background applications and services. Check if pagefile is being cleared on shutdown, if so disable that feature. Check if something is locked up ie do you get boxes complaining about stuff that wont shut down when you shut down windows?

Update your apps and drivers.